syncopation vs musical rhythm

syncopation and musical rhythm both are nouns.

Word	Noun	Adjective	Verb	Adverb
syncopation	Yes	No	No	No
musical rhythm	Yes	No	No	No

As nouns, musical rhythm is a hypernym of syncopation; that is, musical rhythm is a word with a broader meaning than syncopation:

Other hypernyms of syncopation include beat, rhythm.

syncopation (noun)	musical rhythm (noun)
a musical rhythm accenting a normally weak beat	the basic rhythmic unit in a piece of music
(phonology) the loss of sounds from within a word (as in `fo'c'sle' for `forecastle')
music (especially dance music) that has a syncopated rhythm